261944823

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{23669}}^1$

素因数の和:23727

約数の個数: 32

約数和(自身を含む): 436285440

約数和(自身を除く): 174340617

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 11067, 23669, 71007, 165683, 402373, 497049, 733739, 1207119, 2201217, 2816611, 5136173, 8449833, 12473563, 15408519, 37420689, 87314941, 261944823]

約数ペア:

[(1, 261944823), (3, 87314941), (7, 37420689), (17, 15408519), (21, 12473563), (31, 8449833), (51, 5136173), (93, 2816611), (119, 2201217), (217, 1207119), (357, 733739), (527, 497049), (651, 402373), (1581, 165683), (3689, 71007), (11067, 23669)]